221788671

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{617}}^1\times {\mathrm{709}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 321186960

約数和(自身を除く): 99398289

約数列:

[1, 3, 13, 39, 169, 507, 617, 709, 1851, 2127, 8021, 9217, 24063, 27651, 104273, 119821, 312819, 359463, 437453, 1312359, 5686889, 17060667, 73929557, 221788671]

約数ペア:

[(1, 221788671), (3, 73929557), (13, 17060667), (39, 5686889), (169, 1312359), (507, 437453), (617, 359463), (709, 312819), (1851, 119821), (2127, 104273), (8021, 27651), (9217, 24063)]